Table 2.
The final logistic regression model for cytokines.
| Cytokine Quintile | Adjusted OR | 95% Wald Confidence Limits | p | Parameter Estimate (se) | |
|---|---|---|---|---|---|
| TNFα | 0.650 | 0.487 | 0.866 | 0.0033 | −0.43 (0.15) |
| IL-13 | 0.799 | 0.567 | 1.125 | 0.1984 | −0.22 (0.17) |
| IL-2 | 0.573 | 0.401 | 0.819 | 0.0023 | −0.56 (0.18) |
| IL-4 | 0.504 | 0.372 | 0.683 | <0.0001 | −0.68 (0.15) |
| Intercept | <0.0001 | 3.66 | |||
Associations with joint pain. The equation to calculate the probability of having joint pain was risk = 3.66, –0.43(TNFα), –0.22(IL-13), –0.56(IL-2), –0.68(IL-4), where the quintile (scored 0–4) is used for each cytokine. Probability = exp(risk)/(1 + exp(risk)). OR, odds ratio.